| Llantwit Major to Devnya | 1,546.09 mi (2,488.20 km) |
| Llantwit Major to Dimitrovgrad | 1,507.94 mi (2,426.80 km) |
| Llantwit Major to Dobrich | 1,544.66 mi (2,485.89 km) |
| Llantwit Major to Dospat | 1,464.62 mi (2,357.07 km) |
| Llantwit Major to Dupnitsa | 1,396.05 mi (2,246.72 km) |
| Llantwit Major to Elhovo | 1,543.86 mi (2,484.61 km) |
| Llantwit Major to Etropole | 1,410.07 mi (2,269.29 km) |
| Llantwit Major to Gabrovo | 1,464.72 mi (2,357.24 km) |
| Llantwit Major to Gorna Oryahovitsa | 1,470.04 mi (2,365.81 km) |
| Llantwit Major to Gotse Delchev | 1,450.21 mi (2,333.88 km) |
| Llantwit Major to Harmanli | 1,525.17 mi (2,454.52 km) |
| Llantwit Major to Haskovo | 1,511.23 mi (2,432.09 km) |
| Llantwit Major to Ihtiman | 1,418.04 mi (2,282.12 km) |
| Llantwit Major to Isperih | 1,496.61 mi (2,408.57 km) |
| Llantwit Major to Kardzhali | 1,514.38 mi (2,437.16 km) |
